<template>
  <div>
    <!-- 全局组件商品分类 -->
    <TypeNav />
    <div class="main">
      <div class="py-container">
        <!--bread:面包屑-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <!--商品的名字的面包屑的地方  -->
            <li class="with-x" v-if="searchParams.categoryName">
              {{ searchParams.categoryName
              }}<i @click="removeCategoryName">×</i>
            </li>
            <!-- 关键字面包屑的地方 -->
            <li class="with-x" v-if="searchParams.keyword">
              {{ searchParams.keyword }}<i @click="removeKeyWord">×</i>
            </li>
            <!-- 品牌的面包屑 -->
            <li class="with-x" v-if="searchParams.trademark">
              <!-- 切割后取出第一项 -->
              {{ searchParams.trademark.split(":")[1]
              }}<i @click="removeTrademark">×</i>
            </li>

            <!-- 商品属性值面包屑的地方 -->
            <li
              class="with-x"
              v-for="(prop, index) in searchParams.props"
              :key="index"
            >
              {{ prop }}<i @click="removeAttrInfo(index)">×</i>
            </li>
          </ul>
        </div>

        <!--selector:子组件-->
        <!-- 绑定自定义事件:实现儿子给父组件传递数据 -->
        <SearchSelector @trademarkInfo="getTmName" @attrInfo="getAttrInfo" />
        <!--details-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <!-- 综合|价格排序的地方 -->
              <ul class="sui-nav">
                <li :class="{ active: isOne }" @click="changeOrder('1')">
                  <a
                    >综合
                    <span
                      v-show="isOne"
                      class="iconfont"
                      :class="isDescOrAsc"
                    ></span
                  ></a>
                </li>
                <li :class="{ active: isTwo }" @click="changeOrder('2')">
                  <a
                    >价格
                    <span
                      v-show="isTwo"
                      class="iconfont"
                      :class="isDescOrAsc"
                    ></span
                  ></a>
                </li>
              </ul>
            </div>
          </div>
          <!-- 商品展示区域 -->
          <div class="goods-list">
            <ul class="yui3-g">
              <li
                class="yui3-u-1-5"
                v-for="(goods, index) in goodsList"
                :key="index"
              >
                <div class="list-wrap">
                  <div class="p-img">
                    <!--商品的图片:需要路由跳转的时候,携带商品的ID(param参数)-->
                    <router-link :to="`/detail/${goods.id}`"
                      ><img :src="goods.defaultImg"
                    /></router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥&nbsp;</em>
                      <i>{{ goods.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a>{{ goods.title }}</a>
                  </div>
                  <div class="commit">
                    <i class="command"
                      >已有<span>{{ goods.hotScore }}</span
                      >人评价</i
                    >
                  </div>
                  <div class="operate">
                    <a
                      href="success-cart.html"
                      target="_blank"
                      class="sui-btn btn-bordered btn-danger"
                      >加入购物车</a
                    >
                    <a href="javascript:void(0);" class="sui-btn btn-bordered"
                      >收藏</a
                    >
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <!-- 分页的地方 -->
          <div class="fr page" style="text-align: center; width: 100%">
            <MyPagination
              :continuous="5"
              :pageNo="searchParams.pageNo"
              :pageSize="searchParams.pageSize"
              :total="searchList.total"
              @getPageNo="getPageNo"
            ></MyPagination>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import SearchSelector from "./SearchSelector/SearchSelector";
import { mapGetters, mapState } from "vuex";
export default {
  name: "RootSearch",
  components: {
    SearchSelector,
  },
  data() {
    return {
      //将来Search模块搜索的条件
      searchParams: {
        category1Id: "", //一级分类的id
        category2Id: "", //二级分类的id
        category3Id: "", //三级分类的id
        categoryName: "", //商品的名字
        keyword: "", //用户搜索的关键字
        props: [], //商品属性的搜索条件
        trademark: "", //品牌的搜索条件
        order: "1:desc", //排序的参数 【默认初始值:1:desc】
        pageNo: 1, //当前分页器的页码  【默认初始值:1】
        pageSize: 8, //代表当前一页显示几条数据 【默认初始值:8】
      },
    };
  },

  computed: {
    ...mapState("search", ["searchList"]),
    ...mapGetters("search", ["goodsList"]),

    orderFlag() {
      //排序监视
      return this.searchParams.order;
    },

    //综合和价格按钮高亮效果
    isOne() {
      return this.searchParams.order.includes("1");
    },

    isTwo() {
      return this.searchParams.order.includes("2");
    },

    //升序降序判断
    isDescOrAsc() {
      return this.searchParams.order.includes("desc")
        ? "icon-arrow-right-down-fill"
        : "icon-arrow-right-up-fill";
    },
  },

  methods: {
    sortRank() {
      //排序方法
      this.goodsList.sort((a, b) => {
        if (this.orderFlag.includes("asc")) {
          return a.price - b.price;
        } else {
          return b.price - a.price;
        }
      });
    },

    getData() {
      //categoryId清空
      this.searchParams.category1Id = undefined;
      this.searchParams.category2Id = undefined;
      this.searchParams.category3Id = undefined;
      // 获取数据并合并到this.searchParams
      this.$store.dispatch("search/getSearchList", this.searchParams);
    },

    removeCategoryName() {
      this.searchParams.categoryName = undefined;
      this.getData();
    },
    removeKeyWord() {
      this.searchParams.keyword = undefined;
      this.getData();
      this.$bus.$emit("clearKeyword"); //全局事件总线清除搜索关键字
      if (this.$route.query) {
        //保留query参数
        this.$router.push({ name: "search", query: this.$route.query });
      }
    },

    //处理品牌自定义事件
    getTmName(trademark) {
      this.searchParams.trademark = `${trademark.tmId}:${trademark.tmName}`;
      this.getData();
    },
    removeTrademark() {
      this.searchParams.trademark = undefined;
      this.getData();
    },

    removeAttrInfo(index) {
      // 过滤掉点击标签
      this.searchParams.props = this.searchParams.props.filter(
        (value) => this.searchParams.props[index] != value //返回未点击的标签
      );
      this.getData();
    },

    //  商品属性
    getAttrInfo(attrName, attrValue) {
      let prop = `${attrName}：${attrValue}`;
      //去重
      if (!this.searchParams.props.includes(prop))
        this.searchParams.props.push(prop);
      //  重新获取数据
      this.getData();
      console.log(this.searchParams.props);
    },

    //
    changeOrder(num) {
      let flag = this.searchParams.order.replace(/^\d/g, num); //获取第一个数字的正则
      if (flag === this.searchParams.order) {
        //按钮是否切换判断
        if (this.isDescOrAsc.includes("down")) {
          flag = flag.replace(/[A-z]*$/, "asc");
        } else {
          flag = flag.replace(/[A-z]*$/, "desc");
        }
      }
      this.searchParams.order = flag;
      /* ----------------- */
    },

    //分页器点击事件
    getPageNo(pageNo) {
      //获取页码
      this.searchParams.pageNo = pageNo;
      this.getData();
    },
  },

  watch: {
    $route: {
      //当路由信息发生变化就重新
      handler(newVal, oldVal) {
        //$route参数变化
        Object.assign(this.searchParams, this.$route.query, this.$route.params);
        this.getData(); //重新派发获取数据
      },
    },

    //商品排序
    orderFlag: {
      //deep:true,
      handler() {
        this.sortRank();
      },
    },
  },

  beforeMount() {
    // 合并对象
    Object.assign(this.searchParams, this.$route.query, this.$route.params);
  },

  mounted() {
    this.getData(); //挂载获取一次数据
  },
  beforeUpdate() {
    this.sortRank(); //默认排序
  },
};
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;
          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%+1px;
            width: 20%+1px ;
            margin-top: 10px;
            margin-right: 45px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }

          li:hover {
            border: 1px solid #e1251b;
          }
        }
      }

      .page {
        width: 733px;
        height: 66px;
        overflow: hidden;
        float: right;

        .sui-pagination {
          margin: 18px 0;

          ul {
            margin-left: 0;
            margin-bottom: 0;
            vertical-align: middle;
            width: 490px;
            float: left;

            li {
              line-height: 18px;
              display: inline-block;

              a {
                position: relative;
                float: left;
                line-height: 18px;
                text-decoration: none;
                background-color: #fff;
                border: 1px solid #e0e9ee;
                margin-left: -1px;
                font-size: 14px;
                padding: 9px 18px;
                color: #333;
              }

              &.active {
                a {
                  background-color: #fff;
                  color: #e1251b;
                  border-color: #fff;
                  cursor: default;
                }
              }

              &.prev {
                a {
                  background-color: #fafafa;
                }
              }

              &.disabled {
                a {
                  color: #999;
                  cursor: default;
                }
              }

              &.dotted {
                span {
                  margin-left: -1px;
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  font-size: 14px;
                  border: 0;
                  padding: 9px 18px;
                  color: #333;
                }
              }

              &.next {
                a {
                  background-color: #fafafa;
                }
              }
            }
          }

          div {
            color: #333;
            font-size: 14px;
            float: right;
            width: 241px;
          }
        }
      }
    }
  }
}
</style>